Prepare steak marinade. Add garlic cloves and peppercorns to a bowl. Muddle or grind into a paste.
Pour in the olive oil, lime juice, cumin, ancho chili powder, oregano, and salt. Stir well.
Place steak in a shallow pan and pour marinade onto the steak. Cover and let marinate as sauce is prepared.
Preheat a frying pan over medium high heat.
Slice tomatoes into wedges, then cut the wedges in half. Slice the white onion and jalapeño ¼” thick. Juice the limes. Remove 3-4 chipotle peppers in Adobo sauce and mince. Drain the roasted red bell peppers from the can and roughly chop. Set aside 1 tablespoon of the adobo sauce.
Crush garlic through a garlic press.
Once the pan is hot, add olive oil and swirl to coat. Add the tomatoes, onions, jalapeños, chipotle peppers, and roasted red peppers. Sauté for 7 minutes
Add garlic, pepper, and cumin then stir.
Next, add the adobo sauce and lime juice to the pan.
Add the adobo sauce and lime juice to the pan.
Stir to incorporate, then push everything towards the edges of the pan to create an empty space in the center. Pour the tequila in the center and allow alcohol to burn off, about 2 minutes.
Lower the heat to a simmer and stir the sauce. Cover and cook for 10 minutes.
Heat a skillet or frying pan over high heat. Once hot, add the steak to the pan and sear for 3 minutes per side.
Remove steak and add to a wooden cutting board. Thinly slice.
Add steak to the pan with the sauce and let simmer for 5 minutes to finish cooking the steak.
Let simmer for 5 minutes to finish cooking the steak.